Question: What river flows into the reservoir of the Sulak River?
Paraphrase: What stream streams into the store of the Sulak River?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q770781 wdt:P469 ?X . ?X wdt:P200 ?answer}
Answer: Volga, Ural River, Terek River, Kuma, Atrek River, Emba River, Sulak River, Samur River, Sefid Rud, Pirsaat River, Kura, Astarachay, Bolgarchay River, Sumgayit River, Rubas, Shura-Ozen River, Ulluchay River, Gorganrud, Qusar River